# GuideUpdater - Updates TV Programm guide. Uses XMLTV
# Copyright (C) 2007 Lauri Taimila
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

__licence__ = "GPLv2"
__copyright__ = "2007, Lauri Taimila"
__author__ = "Lauri Taimila <lauri@taimila.com>"

import os
from pysqlite2 import dbapi2 as sqlite

from backend.core.message import Message
from backend.core.message_type_priority import MessageType
from backend.core.message_bus import MessageBus
from backend.core.message_handler import MessageHandler

class GuideUpdater(MessageHandler):
    """Guide updater updates TV-guide."""
    
    # Message bus
    __message_bus = None
    
    # Logger object
    __logger = None
    
    def __init__(self, message_bus, logger):
        """Create a new guide updater object."""
        self.__message_bus = message_bus
        self.__logger = logger
        
    def updateGuide(self):
        """Lauch updater thread."""
        # a Thread should download XML, update cache db and emit Message
        pass
    
    # Implementes MessageHandler interface
    def handleMessage(self, message):
        if message.get_type() == MessageType.UPDATE_GUIDE:
            self.updateGuide()
        
    def getName(self):
        return "Guide Updater"
